1  /* Base configuration file for all Fuchsia targets.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     Contributed by Google.
       4  
       5  This file is part of GCC.
       6  
       7  GCC is free software; you can redistribute it and/or modify
       8  it under the terms of the GNU General Public License as published by
       9  the Free Software Foundation; either version 3, or (at your option)
      10  any later version.
      11  
      12  GCC is distributed in the hope that it will be useful,
      13  but WITHOUT ANY WARRANTY; without even the implied warranty of
      14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15  GNU General Public License for more details.
      16  
      17  You should have received a copy of the GNU General Public License
      18  along with GCC; see the file COPYING3.  If not see
      19  <http://www.gnu.org/licenses/>.  */
      20  
      21  /* Common Fuchsia configuration.  */
      22  
      23  #undef  STARTFILE_SPEC
      24  #define STARTFILE_SPEC "%{!shared: crt1%O%s} crtbegin%O%s"
      25  
      26  #undef  ENDFILE_SPEC
      27  #define ENDFILE_SPEC "crtend%O%s"
      28  
      29  /* When neither pic nor pie has been specified, use PIE.  */
      30  #undef  CC1_SPEC
      31  #define CC1_SPEC "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC:" \
      32                     "%{!fno-pie:%{!fno-PIE:%{!fpie:%{!fPIE: -fPIE}}}}}}}}"
      33  
      34  #undef  LIB_SPEC
      35  #define LIB_SPEC "--start-group" \
      36  		 " -lmxio -lmagenta -lc -llaunchpad" \
      37  		 "%{!static: -lgcc_s}" \
      38  		 " --end-group"
      39  
      40  #undef  LINK_SPEC
      41  #define LINK_SPEC "-z max-page-size=4096" \
      42  		  " -z combreloc" \
      43  		  " -z relro" \
      44  		  " -z now" \
      45  		  " -z text" \
      46  		  "%{!hash-style: --hash-style=gnu}" \
      47  		  "%{!no-eh-frame-hdr: --eh-frame-hdr}" \
      48  		  "%{!no-build-id: --build-id}" \
      49  		  "%{shared: -shared}" \
      50  		  "%{!shared:%{!static:%{!dynamic-linker: -dynamic-linker=ld.so.1}}}"
      51  
      52  /* We are using MUSL as our libc.  */
      53  #undef  OPTION_MUSL
      54  #define OPTION_MUSL 1
      55  #undef  OPTION_MUSL_P
      56  #define OPTION_MUSL_P(opts) 1
      57  
      58  #ifndef TARGET_SUB_OS_CPP_BUILTINS
      59  #define TARGET_SUB_OS_CPP_BUILTINS()
      60  #endif
      61  
      62  #undef  TARGET_OS_CPP_BUILTINS
      63  #define TARGET_OS_CPP_BUILTINS()		\
      64    do						\
      65      {						\
      66        builtin_define ("__fuchsia__");		\
      67        TARGET_SUB_OS_CPP_BUILTINS();		\
      68      }						\
      69    while (false)
      70